The head of security has since been jailed in Guatemala, but Eisenbrandt alleged the company is responsible for its contractors and “expressly or implicitly authorized” his actions.

Tahoe did not respond to interview requests but has disputed live bullets being fired.

“Contract security employed non-lethal rubber bullets and tear gas to disperse opponents carrying sticks and machetes who were blocking the mine gate,” its website stated. “At no time has the company ever used lethal force or intimidation.”

“We strive to create a transparent culture of our Company’s values as we conduct business honestly and ethically,” wrote CEO Kevin McArthur in a June 12 post. “Our Human Rights Policy is more than just a policy; it is an ethical code that we follow and holds us accountable.”

MiningWatch Canada spokeswoman Jen Moore said Canada is home to most of the world’s mining companies but needs more regulation governing their activities abroad.

None of the allegations have been proven in Canadian court, and Tahoe Resources has yet to file its response.